551427500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 180

約数和(自身を含む): 1399726944

約数和(自身を除く): 848299444

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 47, 50, 52, 65, 76, 94, 95, 100, 125, 130, 188, 190, 235, 247, 250, 260, 325, 361, 380, 470, 475, 494, 500, 611, 625, 650, 722, 893, 940, 950, 988, 1175, 1222, 1235, 1250, 1300, 1444, 1625, 1786, 1805, 1900, 2350, 2375, 2444, 2470, 2500, 3055, 3250, 3572, 3610, 4465, 4693, 4700, 4750, 4940, 5875, 6110, 6175, 6500, 7220, 8125, 8930, 9025, 9386, 9500, 11609, 11750, 11875, 12220, 12350, 15275, 16250, 16967, 17860, 18050, 18772, 22325, 23218, 23465, 23500, 23750, 24700, 29375, 30550, 30875, 32500, 33934, 36100, 44650, 45125, 46436, 46930, 47500, 58045, 58750, 61100, 61750, 67868, 76375, 84835, 89300, 90250, 93860, 111625, 116090, 117325, 117500, 123500, 152750, 154375, 169670, 180500, 220571, 223250, 225625, 232180, 234650, 290225, 305500, 308750, 339340, 381875, 424175, 441142, 446500, 451250, 469300, 558125, 580450, 586625, 617500, 763750, 848350, 882284, 902500, 1102855, 1116250, 1160900, 1173250, 1451125, 1527500, 1696700, 2120875, 2205710, 2232500, 2346500, 2902250, 2933125, 4241750, 4411420, 5514275, 5804500, 5866250, 7255625, 8483500, 10604375, 11028550, 11732500, 14511250, 21208750, 22057100, 27571375, 29022500, 42417500, 55142750, 110285500, 137856875, 275713750, 551427500]

約数ペア:

[(1, 551427500), (2, 275713750), (4, 137856875), (5, 110285500), (10, 55142750), (13, 42417500), (19, 29022500), (20, 27571375), (25, 22057100), (26, 21208750), (38, 14511250), (47, 11732500), (50, 11028550), (52, 10604375), (65, 8483500), (76, 7255625), (94, 5866250), (95, 5804500), (100, 5514275), (125, 4411420), (130, 4241750), (188, 2933125), (190, 2902250), (235, 2346500), (247, 2232500), (250, 2205710), (260, 2120875), (325, 1696700), (361, 1527500), (380, 1451125), (470, 1173250), (475, 1160900), (494, 1116250), (500, 1102855), (611, 902500), (625, 882284), (650, 848350), (722, 763750), (893, 617500), (940, 586625), (950, 580450), (988, 558125), (1175, 469300), (1222, 451250), (1235, 446500), (1250, 441142), (1300, 424175), (1444, 381875), (1625, 339340), (1786, 308750), (1805, 305500), (1900, 290225), (2350, 234650), (2375, 232180), (2444, 225625), (2470, 223250), (2500, 220571), (3055, 180500), (3250, 169670), (3572, 154375), (3610, 152750), (4465, 123500), (4693, 117500), (4700, 117325), (4750, 116090), (4940, 111625), (5875, 93860), (6110, 90250), (6175, 89300), (6500, 84835), (7220, 76375), (8125, 67868), (8930, 61750), (9025, 61100), (9386, 58750), (9500, 58045), (11609, 47500), (11750, 46930), (11875, 46436), (12220, 45125), (12350, 44650), (15275, 36100), (16250, 33934), (16967, 32500), (17860, 30875), (18050, 30550), (18772, 29375), (22325, 24700), (23218, 23750), (23465, 23500)]